Improvement in railway-ties



Patented N ov. 11, 1879.

R ailW amy-Ti e.

O'. E. MULL AR KY.

MQVNTR l ATTO R N EY MMM L n .A

A VII/III WITNESSES substance.

UNITEDMSTATES Mn-EM PATENT OFFICE.

`OWEN E. MULLARKY, OF CEDAR. FALLS, IOWA.

IMPROVEM ENT IN RAI LWAY-Tl ES.

Specification forming part of Letters Patent No. 221.596, dated November 11, 1879 g application filed April 7, 1879.

To all whom it may concern:

Be it known that I, O. E. MULLARKY, of Oedar Falls, in the county of Black Hawk and State of Iowa, haveinven ted a new and valuable Improvement in Railway-Ties; and I do herebydeclare that the following is a full, clear, and exact description lof the construction and operation of the same, reference being had to the annexed drawings, making a part ot' this specification, and to the letters and figures of reference marked thereon. I

Figure 1 of the drawings is a representation of a plan view of my improved railwaytie applied. Fig. 2 is a bottom view of the same. Fig. 3 is a cross-sectional view thereof, and Fig. 4 isa longitudinal section of the saine;

This invention has rela-tion to railway-ties; and it consists in the construction. and novel arrangement of an iron shell, bent longitudinally to form a at top and vertical, or nearly vertical, sides, and filled from below from the outer ends past the rail-bearings, leaving the middle portion in la recessed or hollow form t0 grasp the material of the road-bed; also, in the novel combination, with a hollow metallic tie, of wooden bearing-plates under the rails, all as hereinafter shown and described.

In the accompanying drawings, the letter A designates the iron shell or hull, formed of wrought or malleable iron, having but little thickness compared with the depth of the tie, the form of which is given by bending down the sides b along the longitudinal lines c, these sides being bent at right angles, or nearly so, with the top a of the shell, the bend, however, being made in gradual or rounded form, in order to avoid injury to the ber, and to secure the full strength of the metal. From each end past the rail-bearing the shell is illed with cast-iron or other metal, wood, cement, grout, stone, or terra-cotta, these end fillings c serving to give solidity and strength to the rail-bearings, and to relieve the hollow central portion, g, from undue strain.

The end lllingsvmay be secured in various ways, according to the character of the iilling When cement is employed the lower ends of the side flanges of the shell may be slightly bent inward, and this form of fastening will serve very well for any lling. Wood may be conveniently secured by means ot spikes passing through the sides ot' the shell. The lower surface of the filling will be ilush with the bottom edges of the side flan ges, b, so that a firm base will be formed under each rail-seat. Through the metallic shell or hull and the tilling at each end vertical holes k are made for the reception of the bolts l, which hold the rail-chairs; and to relieve the jar a cushion or plate of wood, m, is fastened on. the upper surface Ot' the tie at each end, forming the rail-bearin g. These wooden bearings relieve the shock of the rail and take the strain oftl the bolts. Between the filled ends of the tie there is a hollow bottomless portion, bounded by the top and sides of the hull and by the inner ends of the fillings. When the tie is laid this recess serves to grasp the foundation or bed and steadies the tie, ett'ectually preventing lateral or endwise mo tion, while the hull-connection forms a sucient brace between the end bearings.

I am aware that it is not new in metallic ties to lill end recesses which open upward, so that the rails or chairs bear directly on the llings, and I do not claim such devices.

What I claim as my invention, and desire to secure by Letters Patent, is-

1. rIhe railroad-tie consisting of the softiron shell or hull A, bent longitudinally downward to form side anges, b, and having the end under fillings, c, under the railbearings, and the hollow bottornless center g, substantially as specified.

2. The combination, with a soft-iron railtie, having a hollow center, g, and under filled ends c, ot' the wooden cushions or bearingplates m, substantially as specified.

In testimony that I claim the above I have hereunto subscribed my name in the presence of two witnesses.

OWEN EMMET MULLARKY.

Witnesses:

SYLvEsTER H. PACKARD, JOHN R. MARKLEY. 

